package com.sunwayhorizo.health.hl7.factories;


public abstract class RootMaster {
    
    private static RootMasterRemote instance;
    private static final Object key = new Object(); 
      
    public static RootMasterRemote getInstance() {
        {    
                if (instance == null)    
                {    
                    synchronized (key)    
                    {    
                        if (instance == null)    
                        {    
                            return null;
                        }    
                    }    
                }    
                return instance;    
            }    

    }

}
